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The general form for the equation of a circle centre (xo, yo) and radius r is:
(x - xo)2 + (y - yo)2 = r2
Which can be rearranged into:
x2 - 2xox + y2 - 2yoy = r2 - xo2 - yo2
So a circle with centre (4, -1) and radius 8 has equations:
(x - 4)2 + (y + 1)2 = 64
x2 - 8x + y2 + 2y = 47
What else can I help you with?
What is the equation for a circle with a center of 1 1 and a radius of 1?
3.14 x 1
What is the equation for a circle with a center of 3 and 1 and a radius of 4?
This makes no sence
What is the equation for a circle with a center of (-1 -5) and a radius of 6?
The equation is: (x+1)^2 +(y+5)^2 = 36
What is the equation for a circle with a center of 1 -1 and a radius of 1?
(x - 1)2 + (y + 1)2 = 1
What is the equation of the circle that has a center at (-3 1) and a radius of 5?
It is: (x+3)^2+(y-1)^2 = 25
What is the equation for a circle with a center of 1 1 and a radius of 1?
3.14 x 1
What is the equation for a circle with a center of 3 and 1 and a radius of 4?
This makes no sence
What is the equation of the points (-12) and has a radius of length 3?
If you mean a circle center at (3, 1) and a radius of 2 then the equation of the circle is (x-3)^2 +(y-1)^2 = 4
What is the equation of the points (31) and has a radius length of 2?
If you mean a circle center at (3, 1) and a radius of 2 then the equation of the circle is (x-3)^2 +(y-1)^2 = 4
What is the equation of a unit circle?
A unit circle is a circle of radius 1. If it's center is at the origin of an xy-coordinate system, then the equation is x (squared) + y (squared) = 1
What is the equation for a circle with a center of (-1 -5) and a radius of 6?
The equation is: (x+1)^2 +(y+5)^2 = 36
What is the equation for a circle with a center of 1 -1 and a radius of 1?
(x - 1)2 + (y + 1)2 = 1
What is the equation for a circle with a center of -2 2 and a radius of 1?
(x + 2)2 + (y - 2)2 = 1
What is the equation for a circle with a center of -2 and 2 and a radius of 1?
(x + 2)2 + (y - 2)2 = 1
What is the equation of the circle that has a center at (-3 1) and a radius of 5?
It is: (x+3)^2+(y-1)^2 = 25
What is the equation of a circle with a center at (11) and a radius of 5?
It is (x - 1)^2 + (y - 1)^2 = 5^2
What is the equation for a circle with a center of -1 and -5 and a radius of 6?
(x + 1)2 + (y + 5)2 = 36
